2600491 has 8 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 2523840.

The previous prime is 2600489. The next prime is 2600503. The reversal of 2600491 is 1940062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2600491 - 2¹ = 2600489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2600461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5190 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (334800).

2^2600491 is an apocalyptic number.

2600491 is a deficient number, since it is larger than the sum of its proper divisors (77909).

2600491 is an equidigital number, since it uses as much as digits as its factorization.

2600491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2600491 is about 1612.6037951090. The cubic root of 2600491 is about 137.5155420448.

The spelling of 2600491 in words is "two million, six hundred thousand, four hundred ninety-one".